Acta Cryst. (2005). B61, 429-434 [ doi:10.1107/S0108768105016083 ]
Abstract: The bond-valence parameters (Rij), which connect bond valences and bond lengths, have been computed for lanthanide-nitrogen bonds. It has been found that values of bond-valence parameters decrease with increasing lanthanide atomic number in coordination compounds, and that they are smaller than the Rij parameters of inorganic compounds. As expected, the lanthanide-nitrogen bond-valence parameters are larger than lanthanide-oxygen bond-valence parameters. There are no obvious dependencies between the number of N atoms in the coordination sphere and the bond-valence parameter value.
Keywords: bond-valence parameter; coordination compounds.
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